I feel kinda dumb, but this was kicking my ass over and over. That damn hairspray part, I was trying to strafe right/left and zig-zag to stay ahead of it, but at least once per round he would manage to catch up and get me, finally I found a good video of it. Got it my first try with this method, was actually easy as hell, hence why I feel dumb now. Anyway for anyone else who may need help: